/Engine/Source/Runtime/SlateCore/Public/Input/Reply.h
An event should returnFReply::Handled().SetNavigation( NavigationDestination ) as a means of asking the system to attempt a navigation to the specified destination
[FReply](API\Runtime\SlateCore\Input\FReply) & SetNavigation ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > InNavigationDestination, const ENavigationGenesis InNavigationGenesis, const ENavigationSource InNavigationSource )